Sodium metabisulfite CAS#: 7681-57-4; ChemWhat Code: 18900
Names & Identifiers |
| Product Name | Sodium metabisulfite |
| Synonyms | disodiummetabisulfite;disodiumpyrosulphite;fertisilo;metabisulfitedesodium;Sodiummetabisufite;SodiumMetabisulphiteAcs;SodiumMetabisulphiteExtraPure;SodiumMetabisulfite(Tech/FoodGrade) |
| CAS Registry Number | 7681-57-4 |
| Molecular Formula | 2Na.O5S2 |
| Molecular Weight | 190.11 |
| EINECS | 231-673-0 |
| Other Registry Numbers | |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 150 °C |
| Density | 1.48 |
| Storage | Store at RT. |
| Solubulity | 540 g/L (20°C) |
| form | Powder/Solid |
| Color | White to slightly yellow |
| PH | 3.5-5 (50g/l, H2O, 20℃) |
| Water Solubility | 540 g/L (20 ºC) |
| Sensitive | Air & Moisture Sensitive |
| Merck | 14,8638 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| EPA Substance Registry System | Disulfurous acid, disodium salt(7681-57-4) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xn,Xi |
| R Phrase | 22-31-41-36/37/38-52 |
| S Phrase | 26-39-46-36-16 |
| RIDADR | 3260 |
| WGK Germany | 1 |
| RTECS | UX8225000 |
| TSCA | Yes |
| Packing Group | III |
| Hazardous Substances Data | 7681-57-4(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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